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Old 02-11-2015, 03:36 PM   #21
screaminchevypickup
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Join Date: Apr 2010
Location: mcloud ok
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Re: Firewall holes for Vintage Air

The reason the bottom two holes do not have grommets is so the heater hoses can slide into the firewall and seal off the openings.. Which also allows for the heater hose clamps to be put inside the cab for a cleaner look.
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